The Thermo Scientific F62735 Thermolyne Oval Muffle Furnace is designed for even heat distribution with heating elements embedded in the ceramic fiber insulation. This furnace can reach 1000 degrees Celsius. The manufacturer recommends operating at temperatures from 204 to 871 degrees Celsius continuously and occasionally reaching the max temperature to ensure element life longevity. An LCD digital display reads out the set point and chamber temperature. The furnace has a capacity of 865 cubic inches (14.2 L).